ID   CCS1_CYACA              Reviewed;         396 AA.
AC   O19913;
DT   20-JUN-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1998, sequence version 1.
DT   25-MAY-2022, entry version 60.
DE   RecName: Full=Cytochrome c biogenesis protein Ccs1 {ECO:0000255|HAMAP-Rule:MF_01392};
GN   Name=ccs1 {ECO:0000255|HAMAP-Rule:MF_01392}; Synonyms=ycf14, ycf44;
OS   Cyanidium caldarium (Red alga).
OG   Plastid; Chloroplast.
OC   Eukaryota; Rhodophyta; Bangiophyceae; Cyanidiales; Cyanidiaceae; Cyanidium.
OX   NCBI_TaxID=2771;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=RK-1;
RX   PubMed=11040290; DOI=10.1007/s002390010101;
RA   Gloeckner G., Rosenthal A., Valentin K.-U.;
RT   "The structure and gene repertoire of an ancient red algal plastid
RT   genome.";
RL   J. Mol. Evol. 51:382-390(2000).
CC   -!- FUNCTION: Required during biogenesis of c-type cytochromes (cytochrome
CC       c6 and cytochrome f) at the step of heme attachment.
CC       {ECO:0000255|HAMAP-Rule:MF_01392}.
CC   -!- SUBUNIT: May interact with CcsA. {ECO:0000255|HAMAP-Rule:MF_01392}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_01392}; Multi-pass membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_01392}.
CC   -!- SIMILARITY: Belongs to the Ccs1/CcsB family. {ECO:0000255|HAMAP-
CC       Rule:MF_01392}.
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DR   EMBL; AF022186; AAB82676.1; -; Genomic_DNA.
DR   PIR; T11981; T11981.
DR   RefSeq; NP_045085.1; NC_001840.1.
DR   AlphaFoldDB; O19913; -.
DR   SMR; O19913; -.
DR   PRIDE; O19913; -.
DR   GeneID; 800109; -.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0017004; P:cytochrome complex assembly; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_01392; CytC_Ccs1; 1.
DR   InterPro; IPR023494; Cyt_c_bgen_Ccs1/CcsB/ResB.
DR   InterPro; IPR007816; ResB-like_domain.
DR   PANTHER; PTHR31566; PTHR31566; 1.
DR   Pfam; PF05140; ResB; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Cytochrome c-type biogenesis; Membrane; Plastid; Thylakoid;
KW   Transmembrane; Transmembrane helix.
FT   CHAIN           1..396
FT                   /note="Cytochrome c biogenesis protein Ccs1"
FT                   /id="PRO_0000217361"
FT   TRANSMEM        22..42
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
FT   TRANSMEM        79..99
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
FT   TRANSMEM        162..182
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
SQ   SEQUENCE   396 AA;  45279 MW;  B11E6E52780B8C9F CRC64;
     MVSITLKTNR IFRSCLNLAT NLKFSITLFI IICIVSAIGT IIPQDKPKEF YMNTYSLKVL
     GMPLWKIIQL LSLEKIFYSN FYLILLLCLS FSLFFCSLKS QFPYLRTSRI IKLNNNNPPT
     SPLHESKKIK YNNIASKNDS SCVQLVSQGY KIYTFDKNLD KAGPLLIHLS LILILLGSAI
     HAFNDFIAQE MIPIYEVSHI QNVISSGRIS KIPQTISLKA SAFTVEHENE KVVKQFITNL
     AMLNSKGEVL KQGLVSVNHP LVYKQVYIFQ MDWKLFGIRV NYGKNKIYEF PVQKIEANNE
     QQWSCTIPAK NQSKLILIFK NMSDEFYVYD NNQNFLKIGK INTPQLIRNT YFTVISKISG
     TGLQIKKDSS INIVYTGFLL LIIGLVINHK GSKKRT